Home / 86,662.40-119,526.16-56,457.24

Finding the Fourth Proportional to 86,662.40, 119,526.16 and 56,457.24

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Solution

The fourth proportional to 86,662.40, 119,526.16 and 56,457.24 is: 77,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,662.40 : 119,526.16 = 56,457.24 : x
  2. Step 2: Convert to fraction form
    86,662.40/119,526.16 = 56,457.24/x
  3. Step 3: Cross multiply
    86,662.40x = 119,526.16 × 56,457.24
  4. Step 4: Simplify right side
    86,662.40x = 6,748,117,101.40
  5. Step 5: Solve for x
    x = 6,748,117,101.40/86,662.40
  6. Step 6: Final answer
    x = 77,866.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.